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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 19:25:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 19:25:39 -0700
commitac694dbdbc403c00e2c14d10bc7b8412cc378259 (patch)
treee37328cfbeaf43716dd5914cad9179e57e84df76 /fs/nfs/internal.h
parenta40a1d3d0a2fd613fdec6d89d3c053268ced76ed (diff)
parent437ea90cc3afdca5229b41c6b1d38c4842756cb9 (diff)
Merge branch 'akpm' (Andrew's patch-bomb)
Merge Andrew's second set of patches: - MM - a few random fixes - a couple of RTC leftovers * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (120 commits) rtc/rtc-88pm80x: remove unneed devm_kfree rtc/rtc-88pm80x: assign ret only when rtc_register_driver fails mm: hugetlbfs: close race during teardown of hugetlbfs shared page tables tmpfs: distribute interleave better across nodes mm: remove redundant initialization mm: warn if pg_data_t isn't initialized with zero mips: zero out pg_data_t when it's allocated memcg: gix memory accounting scalability in shrink_page_list mm/sparse: remove index_init_lock mm/sparse: more checks on mem_section number mm/sparse: optimize sparse_index_alloc memcg: add mem_cgroup_from_css() helper memcg: further prevent OOM with too many dirty pages memcg: prevent OOM with too many dirty pages mm: mmu_notifier: fix freed page still mapped in secondary MMU mm: memcg: only check anon swapin page charges for swap cache mm: memcg: only check swap cache pages for repeated charging mm: memcg: split swapin charge function into private and public part mm: memcg: remove needless !mm fixup to init_mm when charging mm: memcg: remove unneeded shmem charge type ...
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 8865538b26b6..31fdb03225cd 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -554,13 +554,14 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize)
static inline
unsigned int nfs_page_length(struct page *page)
{
- loff_t i_size = i_size_read(page->mapping->host);
+ loff_t i_size = i_size_read(page_file_mapping(page)->host);
if (i_size > 0) {
+ pgoff_t page_index = page_file_index(page);
pgoff_t end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
- if (page->index < end_index)
+ if (page_index < end_index)
return PAGE_CACHE_SIZE;
- if (page->index == end_index)
+ if (page_index == end_index)
return ((i_size - 1) & ~PAGE_CACHE_MASK) + 1;
}
return 0;